Home / 64,551.20-96,826.88-20,178.18

Finding the Fourth Proportional to 64,551.20, 96,826.88 and 20,178.18

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Solution

The fourth proportional to 64,551.20, 96,826.88 and 20,178.18 is: 30,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,551.20 : 96,826.88 = 20,178.18 : x
  2. Step 2: Convert to fraction form
    64,551.20/96,826.88 = 20,178.18/x
  3. Step 3: Cross multiply
    64,551.20x = 96,826.88 × 20,178.18
  4. Step 4: Simplify right side
    64,551.20x = 1,953,790,213.48
  5. Step 5: Solve for x
    x = 1,953,790,213.48/64,551.20
  6. Step 6: Final answer
    x = 30,267.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.